Finding the Fourth Proportional to 13,265.25, 19,848.79 and 8,003.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,265.25 : 19,848.79 = 8,003.31 : x
2. Step 2: Convert to fraction form
   13,265.25/19,848.79 = 8,003.31/x
3. Step 3: Cross multiply
   13,265.25x = 19,848.79 × 8,003.31
4. Step 4: Simplify right side
   13,265.25x = 158,856,019.49
5. Step 5: Solve for x
   x = 158,856,019.49/13,265.25
6. Step 6: Final answer
   x = 11,975.35